243054412101 has 32 divisors (see below), whose sum is σ = 379182960000. Its totient is φ = 153447001344.

The previous prime is 243054412079. The next prime is 243054412147. The reversal of 243054412101 is 101214450342.

243054412101 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 5 + 441 + 210 + 1 = 666.

It is not a de Polignac number, because 243054412101 - 2¹⁵ = 243054379333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243054412501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1214701 + ... + 1400573.

It is an arithmetic number, because the mean of its divisors is an integer number (11849467500).

Almost surely, 2^243054412101 is an apocalyptic number.

It is an amenable number.

243054412101 is a deficient number, since it is larger than the sum of its proper divisors (136128547899).

243054412101 is a wasteful number, since it uses less digits than its factorization.

243054412101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188450 (or 188444 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 243054412101 its reverse (101214450342), we get a palindrome (344268862443).

The spelling of 243054412101 in words is "two hundred forty-three billion, fifty-four million, four hundred twelve thousand, one hundred one".